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Method and apparatus for the determination of body composition using bioelectric impedance measurements in a depth direction
Method and apparatus for the determination of body composition using bioelectric impedance measurements in a depth direction
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机译:用于在深度方向上使用生物电阻抗测量来确定身体成分的方法和设备
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摘要
A bioelectrical impedance apparatus and method includes a pair of current-carrying electrodes and a pair of measuring electrodes are rectilinearly arranged on a living body surface so that the measuring electrode having a smaller area than the other measuring electrode is placed very close to the current-carrying electrode having a smaller area than the other current-carrying electrode. The potential of the measuring electrode is substantially equal to the potential at a contact position of the current-carrying electrode, and the potential of the measuring electrode is substantially equal to the potential at a deepest position of a vertical part inside the living body. When a constant current flows between the current-carrying electrodes, a voltage between the measuring electrodes is measured by a detector so that a bioelectrical impedance of the vertical part may be calculated from a current, and a potential difference between upper and lower ends of the vertical part.
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